﻿namespace QuanLyHocSinh.Database
{
    public class DbHelper
    {
        private static QuanLyHocSinhEntities _context;

        public static QuanLyHocSinhEntities GetContext()
        {
            if (_context != null)
                return _context;

            _context = new QuanLyHocSinhEntities();
            return _context;
        }
    }
}